<template>
    <div id="app">
        <!--顶部head的组件-->
        <div class="head">
            <mt-header fixed title="课工厂-汪涛vue项目">
                <span @click="goback" slot="left" v-show="flag">
                    <mt-button icon="back">返回</mt-button>
                </span>
            </mt-header>
        </div>

        <!--中间router-view的组件-->
        <transition>
            <router-view></router-view>
        </transition>


        <!--底部bar的组件-->
        <div class="bottom-bar">
            <nav class="mui-bar mui-bar-tab">

                <router-link class="mui-tab-item-lib " to="/home">
                    <span class="mui-icon mui-icon-home"></span>
                    <span class="mui-tab-label">首页</span>
                </router-link>

                <router-link class="mui-tab-item-lib" to="/member">
                    <span class="mui-icon mui-icon-contact"></span>
                    <span class="mui-tab-label">会员</span>
                </router-link>

                <router-link class="mui-tab-item-lib" to="/shopcar">
                    <span class="mui-icon mui-icon-extra mui-icon-extra-cart"><span class="mui-badge"
                                                                                    id="badge">{{$store.getters.AllCount}}</span></span>
                    <span class="mui-tab-label">购物车</span>
                </router-link>

                <router-link class="mui-tab-item-lib" to="/search">
                    <span class="mui-icon mui-icon-search"></span>
                    <span class="mui-tab-label">搜索</span>
                </router-link>
            </nav>
        </div>


    </div>
</template>

<script>


    export default {
        name: "app",
        components: {},
        data() {
            return {
                flag: true
            }
        },
        methods: {
            goback() {
                this.$router.go(-1)
            },
        },
        watch: {
            $route() {
                if (this.$route.path === '/home') {
                    this.flag = false
                } else {
                    this.flag = true
                }
            }
        }
    }
</script>

<style>
    body {
        background-color: #fff;
    }

    #app {
        margin: 0 auto;
        position: relative;
    }

    .head {
        height: 40px;
        position: relative;
        z-index: 999;
    }

    .v-enter {
        opacity: 0;
        transform: translateX(100%);
    }

    .v-leave-to {
        transform: translateX(-100%);
        position: absolute;
    }

    .v-enter-active,
    .v-leave-active {
        transition: all .5s;
    }

    .bottom-bar {
        position: relative;
        width: 100%;
        height: 50px;
    }

    .mui-bar-tab .mui-tab-item-lib {
        display: table-cell;
        overflow: hidden;
        width: 1%;
        height: 50px;
        text-align: center;
        vertical-align: middle;
        white-space: nowrap;
        text-overflow: ellipsis;
        color: #929292;
    }

    .mui-bar-tab .mui-tab-item-lib .mui-icon {
        top: 3px;
        width: 24px;
        height: 24px;
        padding-top: 0;
        padding-bottom: 0;
    }

    .mui-bar-tab .mui-tab-item-lib .mui-icon ~ .mui-tab-label {
        font-size: 11px;
        display: block;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .mui-bar-tab .mui-tab-item-lib.mui-active {
        color: #007aff;
    }

</style>